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  • Articles  (5)
  • morphology  (3)
  • disability laws  (2)
  • 2020-2023
  • 2000-2004  (2)
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  • Articles  (5)
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  • 2020-2023
  • 2000-2004  (2)
  • 1995-1999  (3)
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  • 1955-1959
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  • 1
    ISSN: 1573-5117
    Keywords: Streptocephalus ; morphology ; classification ; phylogeny ; fairy shrimp ; phyllopod
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract While developing a data base for phylogenetic analysis of the New World streptocephalids we compaired them with species from Africa, Europe, and India. In doing this, we found that the morphology of the peduncle of the distal antennal outgrowth and the biramous ovaries developed in seven North American species can contribute to the systematics of the genus. Thus, our investigation consisted of (1) a review of the external morphology of the antenna, (2) biometry of selected parts of the antenna to obtain informative ratios, (3) a review of the presence or absence of genetal linguiform outgrowths, extension of the non-retractile parts of the penes, and general morphology of the cercopods, (4) a study of the location of the ovaries, and extension of the brood-pouch. On the basis of the results we classifyStreptocephalus into nine species groups. Five subgroups are identified within two of the species groups Several implications of the present approach are discussed.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1573-5117
    Keywords: Streptocephalus ; morphology ; systematics ; North America ; new species ; cladistics ; fairy shrimp
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract We present an updated diagnosis of 13Streptocephalus species of North America. Three new species are included. A key to the species is provided. The phylogeny of the group is discussed on the basis of (1) a systematic approach (Maeda-Martinezet al., 1995; this volume), which considers the entire distal antennal outgrowth, the frontal appendage, and the morphology of the ovaries as essential in defining different genetic lineages or species-groups, and (2) a cladistic analysis. We suggest that of nine monophyletic groups, three are represented in both the Old and New World. Thus, contrary to former disparsalist hypotheses, we argue that the New World species represent relict forms of ancestral groups fragmented by continental drift (vicariance model).
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1573-5117
    Keywords: Branchiopoda ; Branchinella ; taxonomy ; morphology ; India
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract The fairy shrimp Branchinella kugenumaensis (Ishikawa) was long considered a widely, though disjunctly, distributed species occurring from Japan through eastern Asia to southern India. Attempts by Raj (1951, 1961) to make the Indian populations a new variety (B. k. var. madurai) on the basis of antennal and frontal appendage morphology and on its distribution pattern, were considered unconvincing by later authors. Our new comparison of Japanese and Indian specimens has revealed several differences. The resting egg shells of B. kugenumaensis from Japan have irregular polygonal fields; whereas, the shells of the Indian taxon have lip-like units covered with spinules. Furthermore, there are lobes lateral to the basal penes in the Indian specimens that are lacking in the Japanese taxon. As well as differences in antennal and frontal appendage morphology. These differences correspond with previous illustrations of populations from both geographic regions and lead us to consider Raj's proposed subspecies as a valid species. This brings the number of accepted species in the genus Branchinella to 34. More specimens will need to be evaluated from the area between India and Japan to determine if B. maduraiensis is endemic to the Indian subcontinent or is more broadly distributed on the Asian mainland.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Employee responsibilities and rights journal 12 (2000), S. 63-77 
    ISSN: 1573-3378
    Keywords: disability ; employment discrimination ; court standards ; disability laws ; accommodation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Economics
    Notes: Abstract Since the passage of the Americans with Disabilities Act in 1990, managers have had to wrestle with the question of what to do when employees become disabled and can no longer perform their jobs as they had before. By law, managers are required to retain such employees if, with reasonable accommodations, they are able to perform their jobs' essential functions. But the written law leaves a number of issues in doubt, such as how managers should (1) determine whether an employee's impairment qualifies as a disability, (2) identify the job functions that are essential, and (3) decide how far to go when granting an accommodation. The Equal Employment Opportunity Commission (EEOC) has issued volumes of regulatory guidelines that deal with these questions. Only now, however, is a body of case law beginning to emerge. Because case law takes legal precedence over EEOC interpretations, managers must keep abreast of court decisions, especially when the courts' edicts conflict with those published by the EEOC. This article describes ADA case law in the form of answers to questions frequently posed by managers. It is based on a review of 44 ADA court cases dealing with wrongful termination claims, 4 of which were decided by the Supreme Court.
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Employee responsibilities and rights journal 12 (2000), S. 63-77 
    ISSN: 1573-3378
    Keywords: disability ; employment discrimination ; court standards ; disability laws ; accommodation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Economics
    Notes: Abstract Since the passage of the Americans with Disabilities Act in 1990, managers have had to wrestle with the question of what to do when employees become disabled and can no longer perform their jobs as they had before. By law, managers are required to retain such employees if, with reasonable accommodations, they are able to perform their jobs' essential functions. But the written law leaves a number of issues in doubt, such as how managers should (1) determine whether an employee's impairment qualifies as a disability, (2) identify the job functions that are essential, and (3) decide how far to go when granting an accommodation. The Equal Employment Opportunity Commission (EEOC) has issued volumes of regulatory guidelines that deal with these questions. Only now, however, is a body of case law beginning to emerge. Because case law takes legal precedence over EEOC interpretations, managers must keep abreast of court decisions, especially when the courts' edicts conflict with those published by the EEOC. This article describes ADA case law in the form of answers to questions frequently posed by managers. It is based on a review of 44 ADA court cases dealing with wrongful termination claims, 4 of which were decided by the Supreme Court.
    Type of Medium: Electronic Resource
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